modules/freetype2/src/autofit/afindic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  afindic.c                                                              */
   4 /*                                                                         */
   5 /*    Auto-fitter hinting routines for Indic scripts (body).               */
   6 /*                                                                         */
   7 /*  Copyright 2007 by                                                      */
   8 /*  Rahul Bhalerao <rahul.bhalerao@redhat.com>, <b.rahul.pm@gmail.com>.    */
   9 /*                                                                         */
  10 /*  This file is part of the FreeType project, and may only be used,       */
  11 /*  modified, and distributed under the terms of the FreeType project      */
  12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  13 /*  this file you indicate that you have read the license and              */
  14 /*  understand and accept it fully.                                        */
  15 /*                                                                         */
  16 /***************************************************************************/
  17
  18
  19 #include "aftypes.h"
  20 #include "aflatin.h"
  21
  22
  23 #ifdef AF_CONFIG_OPTION_INDIC
  24
  25 #include "afindic.h"
  26 #include "aferrors.h"
  27 #include "afcjk.h"
  28
  29
  30 #ifdef AF_USE_WARPER
  31 #include "afwarp.h"
  32 #endif
  33
  34
  35   static FT_Error
  36   af_indic_metrics_init( AF_LatinMetrics  metrics,
  37                          FT_Face          face )
  38   {
  39     /* use CJK routines */
  40     return af_cjk_metrics_init( metrics, face );
  41   }
  42
  43
  44   static void
  45   af_indic_metrics_scale( AF_LatinMetrics  metrics,
  46                           AF_Scaler        scaler )
  47   {
  48     /* use CJK routines */
  49     af_cjk_metrics_scale( metrics, scaler );
  50   }
  51
  52
  53   static FT_Error
  54   af_indic_hints_init( AF_GlyphHints    hints,
  55                        AF_LatinMetrics  metrics )
  56   {
  57     /* use CJK routines */
  58     return af_cjk_hints_init( hints, metrics );
  59   }
  60
  61
  62   static FT_Error
  63   af_indic_hints_apply( AF_GlyphHints    hints,
  64                         FT_Outline*      outline,
  65                         AF_LatinMetrics  metrics)
  66   {
  67     /* use CJK routines */
  68     return af_cjk_hints_apply( hints, outline, metrics );
  69   }
  70
  71
  72   /*************************************************************************/
  73   /*************************************************************************/
  74   /*****                                                               *****/
  75   /*****                I N D I C   S C R I P T   C L A S S            *****/
  76   /*****                                                               *****/
  77   /*************************************************************************/
  78   /*************************************************************************/
  79
  80
  81   static const AF_Script_UniRangeRec  af_indic_uniranges[] =
  82   {
  83 #if 0
  84     { 0x0100,  0xFFFF },  /* why this? */
  85 #endif
  86     { 0x0900, 0x0DFF},    /* Indic Range */
  87     { 0,       0 }
  88   };
  89
  90
  91   FT_CALLBACK_TABLE_DEF const AF_ScriptClassRec
  92   af_indic_script_class =
  93   {
  94     AF_SCRIPT_INDIC,
  95     af_indic_uniranges,
  96
  97     sizeof( AF_LatinMetricsRec ),
  98
  99     (AF_Script_InitMetricsFunc) af_indic_metrics_init,
 100     (AF_Script_ScaleMetricsFunc)af_indic_metrics_scale,
 101     (AF_Script_DoneMetricsFunc) NULL,
 102
 103     (AF_Script_InitHintsFunc)   af_indic_hints_init,
 104     (AF_Script_ApplyHintsFunc)  af_indic_hints_apply
 105   };
 106
 107 #else /* !AF_CONFIG_OPTION_INDIC */
 108
 109   static const AF_Script_UniRangeRec  af_indic_uniranges[] =
 110   {
 111     { 0, 0 }
 112   };
 113
 114
 115   FT_CALLBACK_TABLE_DEF const AF_ScriptClassRec
 116   af_indic_script_class =
 117   {
 118     AF_SCRIPT_INDIC,
 119     af_indic_uniranges,
 120
 121     sizeof( AF_LatinMetricsRec ),
 122
 123     (AF_Script_InitMetricsFunc) NULL,
 124     (AF_Script_ScaleMetricsFunc)NULL,
 125     (AF_Script_DoneMetricsFunc) NULL,
 126
 127     (AF_Script_InitHintsFunc)   NULL,
 128     (AF_Script_ApplyHintsFunc)  NULL
 129   };
 130
 131 #endif /* !AF_CONFIG_OPTION_INDIC */
 132
 133
 134 /* END */